How To Open Bootloader Mode On Nokia G20 Link -

: Open a command prompt on your PC and type: adb reboot bootloader Important Compatibility Note

Now, the moment of truth. The command that would erase his digital past and open the gates: How to Open Bootloader Mode on NOKIA G20

He tried the standard command anyway. The terminal replied: FAILED (remote: 'Unlock operation is not allowed') : Open a command prompt on your PC

He also accepted the risks:

adb reboot bootloader